CONDENSED CONSOLIDATED STATEMENTS OF EQUITY, REDEEMABLE COMMON STOCK AND REDEEMABLE NONCONTROLLING INTERESTS (USD $) In Millions, unless otherwise specified	Total	Common Class A [Member]	Common Class B [Member]	Parent [Member]	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interest	Total Equity	Redeemable Noncontrolling Interests	Former Chief Executive Officer [Member] Common Class A [Member]	Former Chief Executive Officer [Member] Parent [Member]	Former Chief Executive Officer [Member] Additional Paid-in Capital	Former Chief Executive Officer [Member] Treasury Stock	Former Chief Executive Officer [Member] Total Equity
BALANCE at Jun. 30, 2013		$ 0.7	$ 3.1	$ 1,494.0	$ 1,943.9	$ (329.0)	$ (118.6)	$ (6.1)	$ 15.7	$ 1,509.7	$ 105.8
BALANCE (in Shares) at Jun. 30, 2013		73.6	310.6					0.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Class B to Class A Common Stock		0.2	(0.2)	0						0
Conversion of Class B to Class A Common Stock (in Shares)		18.0	(18.0)
Purchase of Class A Common Stock				(67.6)	0.3			(67.9)		(67.6)
Purchase of Class A Common Stock (in shares)								4.5
Exercise of employee stock options		0		12.2	12.2					12.2
Exercise of employee stock options (in Shares)		1.9
Share-based compensation expense				34.0	34.0					34.0
Dividends				(77.4)	(77.4)					(77.4)
Net Income (Loss) Attributable to Parent	(77.3)
Net income (loss)	(51.4)			(77.3)					14.5	(62.8)	11.4
Other comprehensive income (loss)	58.4			58.6			58.6		0	58.6	(0.2)
Distribution to noncontrolling interests, net									(8.4)	(8.4)	(7.6)
Adjustments to Additional Paid in Capital, Noncontrolling Interest Purchase And Sales				4.2	4.2				0.2	4.4
Adjustment of redeemable noncontrolling interests to redemption value				6.5	6.5					6.5	(6.5)
BALANCE at Mar. 31, 2014		0.9	2.9	1,378.8	1,915.3	(406.3)	(60.0)	(74.0)	21.6	1,400.4	102.9
BALANCE (in Shares) at Mar. 31, 2014		93.5	292.6					4.9
BALANCE at Jun. 30, 2014	854.4	1.2	2.6	843.8	1,926.9	(426.4)	(85.1)	(575.4)	10.6	854.4	106.2
BALANCE (in Shares) at Jun. 30, 2014		125.1	263.7					34.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Class B to Class A Common Stock		0	0
Conversion of Class B to Class A Common Stock (in Shares)		1.4	(1.4)
Purchase of Class A Common Stock		(263.1)		(263.1)	0			(263.1)		(263.1)			(42.0)		(42.0)	(42.0)
Purchase of Class A Common Stock (in shares)								(13.4)							(2.4)
Reclassification of common stock to liability				(29.5)	(29.5)					(29.5)
Reclassification of CS from liability to APIC				29.5	29.5					29.5
Exercise of employee stock options		0.1		44.5	44.4					44.5		0	12.5	12.5		12.5
Exercise of employee stock options (in Shares)	6.4	5.2										1.4
Share-based compensation expense				5.9	5.9					5.9
Dividends				(71.6)	(71.6)					(71.6)
Net Income (Loss) Attributable to Parent	211.5
Net income (loss)	233.8			211.5					14.0	225.5	8.3
Other comprehensive income (loss)	(242.5)			(241.5)			(241.5)		(1.0)	(242.5)	(0.3)
Distribution to noncontrolling interests, net									1.8	1.8	(5.0)
Dividend payable to redeemable noncontrolling interest holder											(4.3)
Redeemable noncontrolling interest purchase adjustment											(16.2)
Adjustment of redeemable noncontrolling interests to redemption value				3.0	3.0					3.0	(3.0)
BALANCE at Mar. 31, 2015	528.4	1.3	2.6	503.0	1,921.1	(214.9)	(326.6)	(880.5)	25.4	528.4	85.7
BALANCE (in Shares) at Mar. 31, 2015		133.1	262.3					50.7
BALANCE at Dec. 31, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of Class A Common Stock		(113.9)
Net Income (Loss) Attributable to Parent	75.5
Net income (loss)	82.2
Other comprehensive income (loss)	(122.9)
BALANCE at Mar. 31, 2015	$ 528.4	$ 1.3				$ (214.9)
BALANCE (in Shares) at Mar. 31, 2015		133.1